Mercury Mariner Models 135 150 175 200 Service Manual, Page 202Get this manual
Quality of the image is intentionally reduced!
CARBURETORS
aTo Engine CrankcaseThrottle PlateCarburetor VenturiFloatFloat BowlMain Fuel WellMain JetFuel from Fuel PumpInlet SeatInlet Needle
Fuel from the fuel pump enters the car